Canon G3 Error Code List page 167

##750 [ TX ] In ECM transmission, no significant signal
Cause
• The line condition is poor, and the other
party cannot receive PPS-NULL correctly.
• The line condition is poor, and the signifi-
cant signal cannot be received correctly.
##751 [ TX ] In ECM transmission, a signal other than
Cause
• The procedure signal is faulty.
can be received after transmission of PPS-
NULL, and the allowed number of procedure
signal re-transmissions was exceeded
Remedy
• Increase the transmission level
other party may receive PPS-NULL cor-
rectly.
• Adjust the NL equalizer
party may receive PPS-NULL correctly.
• Add an echo protect tone to the V.29 mo-
dem signal for transmission
• Ask the operator of the other party to in-
crease the transmission level
signal may be received correctly.
MCF, PPR, or RNR was received after
transmission of PPS-NULL
Remedy
• Record the protocol on a DAT or MD, and
have it analyzed by the local Canon office
and/or Technical Center.
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Chapter 2: Service Error Codes
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